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Mon, 27 Apr 2026 03:25:04 -0700 (PDT) Received: from brgl-qcom.home ([2a01:cb1d:dc:7e00:5062:ae86:23aa:702c]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488fc1c0354sm723208115e9.11.2026.04.27.03.25.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Apr 2026 03:25:03 -0700 (PDT) From: Bartosz Golaszewski To: Santosh Kumar Yadav , Peter Korsgaard , Hans de Goede , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Dmitry Torokhov Cc: platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, brgl@kernel.org, Bartosz Golaszewski Subject: [PATCH v2] platform/x86: barco-p50-gpio: attach software node to its target GPIO device Date: Mon, 27 Apr 2026 12:24:58 +0200 Message-ID: <20260427102459.110332-1-bartosz.golaszewski@oss.qualcomm.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: R0RhOgKCytJ2YoiLAVQm5v10MKU3EZ2_ X-Proofpoint-ORIG-GUID: R0RhOgKCytJ2YoiLAVQm5v10MKU3EZ2_ X-Authority-Analysis: v=2.4 cv=TuPWQjXh c=1 sm=1 tr=0 ts=69ef3981 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=xqWC_Br6kY4A:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=lArYlug_uSWyOl0oBwkA:9 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI3MDExMCBTYWx0ZWRfX72f1ODO/Q6Hb ZT4kTfDbJ6ZACWMlCYmZon7yKUAqxI433R1YflrAK/YgVo9nQXidaP6X1H9NN06cfacCMe0BcuW NIG0OmNrrNNlc/87v8QyqkV42N6oj6mCAOB84tR8WHlX26pperpbaL5JvcP8iLdT6kCcAF0nPun mEw2Kn6l3t/kVHkGgkVVade2ihJYdEfE6jl/rbm683eGRQ1RfmL1MSuwyASL44mamI0Kyoz8gSq 7NoEmKD2UTWGNSmgGvwQBVYsVlDk2aCyuTNu1uhQcIWWk6hbYlvPbAwMRDjwDezEwmxoON7Iswn emA1mmGSAc79C5PCeoM74sgqQiy+QKrtAT710ghty/mBc1Hh3eFVPTDikHxs9aj8kzC4e1Z2i9J AFRl/OWiXm5VggZJknD1WyhdU9gVuwgOLq+L/uLOoOxReeziqw6AxqhmBtNy/eHeXgER6flV5XA VHJlwNhhfXszuH5WwhQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-27_03,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 impostorscore=0 clxscore=1015 suspectscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604270110 Content-Type: text/plain; charset="utf-8" The software node representing the GPIO controller to consumers is "dangling": it's not really attached to the device. The GPIO lookup relies on matching the name of the node to the chip's label. Switch to using platform_device_register_full() and use the swnode field of struct platform_device_info to attach the software node to the GPIO device. Signed-off-by: Bartosz Golaszewski --- Changes in v2: - Use the new .swnode field of struct platform_device_info. To that end: switch to using platform_device_register_full() for device registration. drivers/platform/x86/barco-p50-gpio.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/platform/x86/barco-p50-gpio.c b/drivers/platform/x86/b= arco-p50-gpio.c index 2a6d8607c4026..e1400382465dc 100644 --- a/drivers/platform/x86/barco-p50-gpio.c +++ b/drivers/platform/x86/barco-p50-gpio.c @@ -124,7 +124,6 @@ static const struct software_node vendor_key_node =3D { }; =20 static const struct software_node *p50_swnodes[] =3D { - &gpiochip_node, &gpio_leds_node, &identify_led_node, &gpio_keys_node, @@ -424,6 +423,13 @@ MODULE_DEVICE_TABLE(dmi, dmi_ids); static int __init p50_module_init(void) { struct resource res =3D DEFINE_RES_IO(P50_GPIO_IO_PORT_BASE, P50_PORT_CMD= + 1); + struct platform_device_info pdevinfo =3D { + .name =3D DRIVER_NAME, + .id =3D PLATFORM_DEVID_NONE, + .res =3D &res, + .num_res =3D 1, + .swnode =3D &gpiochip_node, + }; int ret; =20 if (!dmi_first_match(dmi_ids)) @@ -433,7 +439,7 @@ static int __init p50_module_init(void) if (ret) return ret; =20 - gpio_pdev =3D platform_device_register_simple(DRIVER_NAME, PLATFORM_DEVID= _NONE, &res, 1); + gpio_pdev =3D platform_device_register_full(&pdevinfo); if (IS_ERR(gpio_pdev)) { pr_err("failed registering %s: %ld\n", DRIVER_NAME, PTR_ERR(gpio_pdev)); platform_driver_unregister(&p50_gpio_driver); --=20 2.47.3